Saving and unloading methods of audio assets have been optimized. This will increase the stability of playback of the game sounds.

Changes for Helicopter Enduring Confrontation and selected aircraft flight models.

A bug related to the control synchronization of vehicles has been fixed. Temporary freezes which occur in game sessions after long flights with helicopters have been fixed.

For aircraft of rank 7.7 and higher, possible battle scenarios of Axis against Axis or Allies against Allies in RB, have been replaced by scenarios of all against all. This will allow us to get statistics on the efficiency on the aircraft of top ranks for the possibility of adjusting new options and scenarios between rivals of different countries.

Numerous sound bug fixes.

A bug where the depth charges on the No.13 Type, 1944, Sumner (DD-692) were displayed incorrectly has been fixed.Hawk III - A visual bug where the propeller was always displayed as damaged has been fixed. (...)

Battle (D14) - The 114 mm stern cannon has now been included into the main calibre group; HMS Southampton - The position of the smoke screen modification has been changed in the modifications window...

Night Vision and Thermal Sight devices, Chinese air and ground forces, a map rotation filter, new sound engine, three new locations, new ground vehicles, helicopters, naval vessels and aircraft - including the Phantom II and MiG-21, plus numerous fixes and updates for existing machines and game mechanics. This, and much more awaits you in update 1.91 "Night Vision"!

A bug, which could cause a short performance drop in certain circumstances, has been fixed.

Type 60 — Vertical aiming with the sniper sight has been fixed.; A bug where SRAAM missiles wouldn’t track targets has been fixed.